Provide an appropriate response.
List the domain and range for the equation y = 2x2+2.
A. domain = [2, + ?), range = [2 + ?)
B. domain = [2 + ?), range = (-?, + ?)
C. domain = (-?, + ?), range = [2 + ?)
D. domain = (-?, + ?), range = (-?, + ?)
Answer: C
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Prepare a vertical analysis. Round percents to the nearest tenth of a percent. Wandell's Garden Shop had a cost of goods sold of $94,000, operating expenses of $60,000, and net sales of $299,000.
A. Percent cost of goods sold = 31.4% Percent operating expenses = 11.4% B. Percent cost of goods sold = 20.1% Percent operating expenses = 31.4% C. Percent cost of goods sold = 11.4% Percent operating expenses = 31.4% D. Percent cost of goods sold = 31.4% Percent operating expenses = 20.1%
Solve the formula
?
?
for the indicated variable.
?
A. 
B. ?
C. ?
D. ?
E. ?
Establish the identity.cos(3x) = cos3 x - 3 sin2 x cos x
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